diff --git a/.travis.yml b/.travis.yml
index bd8cf18..fb9ad80 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,8 @@
 language: ruby
 rvm:
-  - 2.2.0
+  - 2.3
+  - 2.2
+  - 2.1
+  - 2.0.0
   - 1.9.3
   - 1.8.7